2009-07-23 10:02:37

by Sujith

[permalink] [raw]
Subject: [PATCH 5/6] ath9k: Cleanup return values

Cleanup aggregation start/stop function interfaces.

Signed-off-by: Sujith <[email protected]>
---
drivers/net/wireless/ath/ath9k/ath9k.h | 6 +++---
drivers/net/wireless/ath/ath9k/main.c | 14 +++-----------
drivers/net/wireless/ath/ath9k/xmit.c | 25 +++++++++----------------
3 files changed, 15 insertions(+), 30 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index d3c1633..9d01d99 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -362,9 +362,9 @@ int ath_tx_start(struct ieee80211_hw *hw, struct sk_buff *skb,
void ath_tx_tasklet(struct ath_softc *sc);
void ath_tx_cabq(struct ieee80211_hw *hw, struct sk_buff *skb);
bool ath_tx_aggr_check(struct ath_softc *sc, struct ath_node *an, u8 tidno);
-int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
- u16 tid, u16 *ssn);
-int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
+void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+ u16 tid, u16 *ssn);
+void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);
void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid);

/********/
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index fb84dd8..f2fa333 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -2671,19 +2671,11 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
case IEEE80211_AMPDU_RX_STOP:
break;
case IEEE80211_AMPDU_TX_START:
- ret = ath_tx_aggr_start(sc, sta, tid, ssn);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to start TX aggregation\n");
- else
- ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
+ ath_tx_aggr_start(sc, sta, tid, ssn);
+ ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_STOP:
- ret = ath_tx_aggr_stop(sc, sta, tid);
- if (ret < 0)
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to stop TX aggregation\n");
-
+ ath_tx_aggr_stop(sc, sta, tid);
ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 8a8d7ed..fd07aa1 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -701,25 +701,20 @@ static void ath_tx_sched_aggr(struct ath_softc *sc, struct ath_txq *txq,
status != ATH_AGGR_BAW_CLOSED);
}

-int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
- u16 tid, u16 *ssn)
+void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
+ u16 tid, u16 *ssn)
{
struct ath_atx_tid *txtid;
struct ath_node *an;

an = (struct ath_node *)sta->drv_priv;
-
- if (sc->sc_flags & SC_OP_TXAGGR) {
- txtid = ATH_AN_2_TID(an, tid);
- txtid->state |= AGGR_ADDBA_PROGRESS;
- ath_tx_pause_tid(sc, txtid);
- *ssn = txtid->seq_start;
- }
-
- return 0;
+ txtid = ATH_AN_2_TID(an, tid);
+ txtid->state |= AGGR_ADDBA_PROGRESS;
+ ath_tx_pause_tid(sc, txtid);
+ *ssn = txtid->seq_start;
}

-int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
+void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
{
struct ath_node *an = (struct ath_node *)sta->drv_priv;
struct ath_atx_tid *txtid = ATH_AN_2_TID(an, tid);
@@ -729,11 +724,11 @@ int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
INIT_LIST_HEAD(&bf_head);

if (txtid->state & AGGR_CLEANUP)
- return 0;
+ return;

if (!(txtid->state & AGGR_ADDBA_COMPLETE)) {
txtid->state &= ~AGGR_ADDBA_PROGRESS;
- return 0;
+ return;
}

ath_tx_pause_tid(sc, txtid);
@@ -762,8 +757,6 @@ int ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
txtid->state &= ~AGGR_ADDBA_COMPLETE;
ath_tx_flush_tid(sc, txtid);
}
-
- return 0;
}

void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid)
--
1.6.3.3